L. K. Richards
- Edinburgh's Sewage Treatment Disposal Scheme – Further Developments. Dans: Proceedings of the Institution of Civil Engineers, v. 74, n. 2 (mai 1983). (1983):
- Edinburgh's Sewage Disposal Scheme – Further Developments. Dans: Proceedings of the Institution of Civil Engineers, v. 72, n. 3 (août 1982). (1982):